Aortic ostia of the bronchial arteries and tracheal bifurcation: MDCT analysis

Table 4 Comparisons of bronchial artery findings between pathological and multi-detector row computed tomography studies n (%)

	Pathological study	MDCT study
	Kasai et al[10]	Morita et al[5]	Present study
Right bronchial artery	n = 161	n = 80	n = 96
Direct origin from asrta	44 (27)	15 (19)	28 (29)
Intercostal bronchial trunk	86 (53)	61 (76)	67 (70)
Subclavian artery	31 (19)	4 (5)	1 (1)
Left bronchial artery	n = 117	n = 67	n = 67
Direct origin from asrta	111 (95)	63 (94)	65 (97)
Intercostal bronchial trunk	1 (1)	4 (6)	2 (3)
Subclavian artery	5 (4)	0	0
Common trunk of both bronchial arteries	n = 65	n = 38	n = 36
Direct origin from aorta	/	/	34 (94)
Intercostal bronchial trunk	/	/	2 (6)

Data are numbers of right, left and common trunk arteries. Numbers in parentheses are percentages. MDCT: Multidetector row computed tomography.